Roger Bacon, O.F.M. (c. 1214–1294), also known as Doctor Mirabilis (Latin: "wonderful teacher"), an English Franciscan friar who was a philosopher, theologian and scientist. One of the first people to perform scientific experiments in a modern manner.

↑Elmer, Peter (2000). The Renaissance in Europe: An Anthology. Yale University Press.Unknown parameter |coauthors= ignored (|author= suggested) (help) "The following selection... shows why this famous Renaissance polymath considered painting to be a science..."

↑Johnston, Robert K. (2003). Life Is Not Work, Work Is Not Life: Simple Reminders for Finding Balance in a 24-7 World. Council Oak Books.Unknown parameter |coauthors= ignored (|author= suggested) (help)p. 1